Home / 67,715.67-93,418.11-40,843.26

Finding the Fourth Proportional to 67,715.67, 93,418.11 and 40,843.26

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Solution

The fourth proportional to 67,715.67, 93,418.11 and 40,843.26 is: 56,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,715.67 : 93,418.11 = 40,843.26 : x
  2. Step 2: Convert to fraction form
    67,715.67/93,418.11 = 40,843.26/x
  3. Step 3: Cross multiply
    67,715.67x = 93,418.11 × 40,843.26
  4. Step 4: Simplify right side
    67,715.67x = 3,815,500,155.44
  5. Step 5: Solve for x
    x = 3,815,500,155.44/67,715.67
  6. Step 6: Final answer
    x = 56,345.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.